Please answer these questions?

Posted on 2014-11-18 09:25:00 in Chemistry by JORDAN

1.Elements of the nonmetal groups become negative ions by
a. gaining electrons b. losing electrons c. gaining protons d. losing p
2. Which of the ions above released the largest amount of energy?
a. Cu2+ b. Sr2+ c. both are the same d. more information is neededroton

3. Colored light produced in the flame test was a result of __________ returning to _________.
a. Photons, excited state
b. Photons, ground state
c. Electrons, excited state
d. Electrons, ground

4. A ground state electron is at the ____________ possible energy level.
a. Lowest
b. Highest
c. Best
d. Worst

5. The wavelength associated with violet light is
a. 400 nm b. 500 nm c. 600 nm d. 700 nm

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